National Dengue Day 2021: Tips to Protect yourself from Dengue | Niva BupaMay 16 is observed as National Dengue Day in India. Raise awareness about the disease on National Dengue Day and learn about the causes, symptoms & how to prevent dengue#nivabupa#NationalDengueDay#healthinsurance·nivabupa.com·Feb 13, 2023National Dengue Day 2021: Tips to Protect yourself from Dengue | Niva Bupa